#B1D649#B1D649

#B1D649 is a very light, vivid yellow-green. Relative luminance 0.579; OKLCH L 82.3% C 0.170 H 122.8°. Best body text is #000000 at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#B1D649
RGB	rgb(177, 214, 73)
HSL	hsl(76, 63%, 56%)
HSV	hsv(76, 66%, 84%)
CMYK	cmyk(17.3%, 0%, 65.9%, 16.1%)
CIE-LAB	lab(80.69, -31.82, 62.97)
CIE-LCH	lch(80.69, 70.56, 116.81°)
OKLab	oklab(82.27% -0.0921 0.1428)
OKLCH	oklch(82.27% 0.17 122.8)
XYZ	xyz(43.3811, 57.9211, 15.1965)
Luminance	0.5792 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D649 #6E49D6

analogous

#D6B549 #B1D649 #6BD649

triadic

#B1D649 #49B1D6 #D649B1

tetradic

#B1D649 #49D6B5 #6E49D6 #D6496B

square

#B1D649 #49D6B5 #6E49D6 #D6496B

split-complementary

#B1D649 #496BD6 #B549D6

monochromatic

#6B861E #93B82A #B1D649 #C6E17B #DCEDAD

Accessibility & contrast

On white

1.67

#B1D649 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.58

#B1D649 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D649

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D649	#FFFFFF	#000000	##000000
##B1D649	1.00	1.67	12.58	12.58
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.58	21.00	1.00	1.00
##000000	12.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C935

Deuteranopia (green-blind)

#DDC854

Tritanopia (blue-blind)

#BACCB9

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b1d649;
/* rgb */ color: rgb(177, 214, 73);
/* oklch */ color: oklch(82.3% 0.170 122.8);

Tailwind

colors: {
  custom: {
    50: '#cbe283',
    500: '#b1d649',
    950: '#000000',
  },
}

SCSS

$custom: #b1d649;
$custom-light: #cbe283;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d649",
  "rgb": {
    "r": 177,
    "g": 214,
    "b": 73
  },
  "hsl": {
    "h": 75.745,
    "s": 63.229,
    "l": 56.275
  },
  "oklch": {
    "l": 0.82269,
    "c": 0.16995,
    "h": 122.8
  },
  "luminance": 0.57921
}

Semantic roles & 50–950 ramp

primary

#B1D649

secondary

#4D368D

accent

#42E66D

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D649

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →